Press Windows + R , type regedit , and navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Broderbund\Mavis Beacon Under that folder, look for a string value named ProductKey or Serial .
– If you bought a digital version from Amazon, the Mac App Store, or Encore’s store, search your email for “Mavis Beacon” + “product key” or “license code.”
– Older versions (e.g., Mavis Beacon 5, 6, 8) printed the key inside the first or last page of the user manual.
There is no single "universal" product key for . Because it is a commercial software product, each copy typically comes with its own unique license or activation key. Where to Find Your Product Key